Canons of Library Classification By Bhupendra Ratha, Lecturer School of Library and Information Science Devi Ahilya University, Indore Email: bhu261@gmail.com
Canons of library classification The first used of Canons of library classification by W C B Sayers then many library science professionals tried to development of Canons of library classification such as E C Richardson, H E Bliss etc. In the 1937 criticized the canons of library classification by Dr. Ranganathan in his book Prolegomena to library classification.
Groups of Canons Canons of Characteristic Canons of array of classes Canons of Chain of classes Canons of Filiatory sequence Canons of Terminology Canons of Notation
Canons of characteristics Classification should be according to characteristics of things, concepts and Substance. Differentiation Concomitance Relevance Ascertainability Permanence Relevant sequence Consistency
Differentiation Efficiency should be available for the classification of some thing. For ex: Students UG Science Physics chemistry PG Science Arts Commerce
Concomitance Two characteristics should not use for a facet or subject. For ex: DOB and Age Ist Edition and Publication date
Relevance Every characteristic should be related to objective of classification. For ex: English language French language
Ascertainability Every characteristics should fully ascertain. For ex Literature
Permanence Every characteristics should be permanence whenever do not change in objective of classification. For ex. Changing the name of Periodical time to time.
Relevant sequence Characteristics of classification scheme should be use to objective of classification in relevant sequence. For ex: In Literature MC+Lang+form+time+work MC+Lang+form+author+work
Consistency In the scheme should be use of some permanent characteristics according to their sequence. For ex: O[P],[P2][P3],[P4]
Canons of Array of Classes The array of class called to arranged sequence of class according to their importance. Exhaustiveness Exclusiveness Helpful sequence Consistent sequence
Exhaustiveness In this canons the arrangement of other things. For ex: Non Christian religious 290 other languages 490 Literature of other lang. 890
Exclusiveness Exclusiveness should be available in the classes or subclasses. For ex: world Asia Europe Africa North America South America
Helpful sequence In any array of classes arrangement of class or sub-class should be in helpful sequence. Helpful order within the groups of subjects.
Consistent sequence
Canons of Chain of Classes Decreasing extension Modulation
Decreasing extension For ex: Asia 4 India 44 M.P. 4455
Modulation World Europe Great Britain England London World Great Britain London
Canons of Filiatory sequence Subordinate class Co-ordinate ordinate class
Subordinate class Asia 5 India 54 Western India 547 Gujarat 5475
Co-ordinate ordinate class World Asia Africa Europe
Canons of Terminology Currency Reticence Enumerative Context
Currency Use of recent or current words in classification scheme.
Reticence Use of words should not criticized in classification scheme. For ex: In the 14 th ed of DDC use the minor word for some authors.
Enumerative Description of every enumerative words in classification scheme For ex: Philosophy and psychology in DDC or CC
Context Context should be given for word that use in different main class. For ex: Insurance Tax Textile
Canons of Notation It should be decide that which type notation use for classification. Relativity Expressiveness Mixed notation
Relativity Representation of every symbol. For ex: The particular symbols for five fundamental categories in Colon Classification such as [P], [E] : [M] ; [S]. [T]
Expressiveness Expressiveness should be for every facet. For ex: Treatment of lungs in India L45:4:6.44
Mixed notation Mixed notation should be use in classification.